Hanging lamp arm



FIG. 1 is a perspective view of the ornamental design for a hanging lamparm according to the present invention;

FIG. 2 is a perspective view of the ornamental design for a hanging lamparm according to the present invention;

FIG. 3 is a front view of the ornamental design for a hanging lamp armaccording to the present invention;

FIG. 4 is a rear view of the ornamental design for a hanging lamp armaccording to the present invention;

FIG. 5 is a left view of the ornamental design for a hanging lamp armaccording to the present invention;

FIG. 6 is a right view of the ornamental design for a hanging lamp armaccording to the present invention;

FIG. 7 is a bottom view of the ornamental design for a hanging lamp armaccording to the present invention; and,

FIG. 8 is a top view of the ornamental design for a hanging lamp armaccording to the present invention.

The broken lines shown on the drawings are for illustrative purposesonly and form no part of the claimed design.

The ornamental design for a hanging lamp arm, as shown and describedherein.